Kosice: Guido Justo vs Lilian Marmousez

Platform comparison

Active sub-markets

Market context

Guido Justo and Lilian Marmousez are scheduled to compete in a tennis match in Košice on 25 May 2026, with the contest originally timetabled for 04:00 ET. The market resolves to the advancing player, with a 50–50 split if the match is cancelled, delayed beyond seven days without completion, or ends in a tie. Current crowd pricing reflects zero probability for Justo, suggesting either strong backing for Marmousez or minimal liquidity in early trading.

Comparable ATP Challenger and ITF circuit matches between lower-ranked players historically show volatile pricing when one competitor has recent form advantages or injury concerns. The 0% reading on Justo warrants scrutiny: such extreme probabilities often reflect incomplete information rather than certainty, particularly for matches involving players outside the top 100. Prior Košice events have occasionally experienced weather-related delays or scheduling shifts, which would trigger the seven-day resolution rule if unresolved by 1 June 2026 at 08:00 UTC.

Traders should monitor official ATP/ITF draw confirmations and any injury bulletins released in the fortnight before the match. Court surface conditions in Slovakia during late May, player ranking movements, and head-to-head records (if available) will inform updated pricing. The regulatory environment for this market depends on jurisdiction: German GlüStV frameworks may restrict access for some EU traders, whilst US CFTC oversight applies to certain prediction market operators. No-KYC trading up to $1,500 USD typically permits participation without identity verification, though settlement and withdrawal procedures remain subject to operator compliance standards and applicable financial regulations.

Methodology

This page reviews Kosice: Guido Justo vs Lilian Marmousez across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.